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Finding the Fourth Proportional to 121,014.80, 181,522.20 and 112,266.80

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Solution

The fourth proportional to 121,014.80, 181,522.20 and 112,266.80 is: 168,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014.80 : 181,522.20 = 112,266.80 : x
  2. Step 2: Convert to fraction form
    121,014.80/181,522.20 = 112,266.80/x
  3. Step 3: Cross multiply
    121,014.80x = 181,522.20 × 112,266.80
  4. Step 4: Simplify right side
    121,014.80x = 20,378,916,522.96
  5. Step 5: Solve for x
    x = 20,378,916,522.96/121,014.80
  6. Step 6: Final answer
    x = 168,400.20

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